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Merged
rhettinger merged 1 commit into from
Dec 15, 2022
Merged

Remove uninformative itertools recipe #100253

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Remove uninformative itertools recipe
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@rhettinger
rhettinger committed Dec 14, 2022
commit 9f31da4f54f8d55589334fe6b19427b31a69bc91
7 changes: 0 additions & 7 deletions Doc/library/itertools.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -829,10 +829,6 @@ which incur interpreter overhead.
"Count how many times the predicate is true"
return sum(map(pred, iterable))

def pad_none(iterable):
"Returns the sequence elements and then returns None indefinitely."
return chain(iterable, repeat(None))

def ncycles(iterable, n):
"Returns the sequence elements n times"
return chain.from_iterable(repeat(tuple(iterable), n))
Expand Down Expand Up @@ -1193,9 +1189,6 @@ which incur interpreter overhead.
>>> take(5, map(int, repeatfunc(random.random)))
[0, 0, 0, 0, 0]

>>> list(islice(pad_none('abc'), 0, 6))
['a', 'b', 'c', None, None, None]

>>> list(ncycles('abc', 3))
['a', 'b', 'c', 'a', 'b', 'c', 'a', 'b', 'c']

Expand Down